Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.06,
    "vintage_probability": 0.265,
    "authenticity_confidence": 0.05,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.065,
    "confidence": 0.745,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather-looking handbag with brass-tone hardware and a top-zip satchel construction, a general feature sometimes seen on Coach bags",
        "photo 3: zipper teeth and hardware appear metallic rather than plastic",
        "photo 1-3: leather handbag with brass-tone hardware in vintage colorway - population where misidentified Coach can hide",
        "photo 4: solid-looking brass-tone hardware with patina, not hollow chrome or plastic"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, carriage, creed patch, hangtag, or other Coach identifier",
        "photo 1: diagonal quilted stitching and decorative strap loops do not match the documented classic Coach silhouettes shown in the reference catalog",
        "photo 3: hardware is ring-and-tab decoration rather than a recognizable Coach turnlock or classic dogleash attachment",
        "photo 1: leather appears thin, highly wrinkled and heavily distressed, unlike the thicker, structured glove-tanned leather typical of many vintage Coach classics",
        "photo 1: prominent top zipper and large satchel shape are more consistent with a generic fashion handbag than the likely vintage Coach models",
        "photo 1-3: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
        "photo 1-4: no turnlock - closure is zip-top, not Coach classic turnlock flap",
        "photo 1-4: all-over diagonal quilted topstitching - not a vintage Coach classic construction cue",
        "photo 1,4: stirrup \/ horse-bit style D-ring handle attachments - not Coach turnlock\/buckle\/dogleash geometry",
        "photo 1-3: rolled top-handle satchel silhouette does not match catalog City Bag, Court, Station, Willis, Duffle Sac or other classics"
    ],
    "missing_information": [
        "photo 2: interior is not shown; request a fully opened interior and all pockets",
        "photo 2: no interior creed patch or fabric label is visible; request a straight-on close-up of every interior wall and pocket",
        "photo 1: back, bottom, corners and side construction are not fully shown",
        "photo 1: zipper pull and all hardware should be photographed closely for stamps or markings",
        "photo 1: no hangtag or detachable strap is shown",
        "photo of interior emptied and lining - interior never shown, creed cannot be checked",
        "creed patch close-up in raking light and Made-in line",
        "bottom and corners close-up",
        "zipper pull brand stamp and back side of hardware",
        "seller-stated dimensions and any interior labels\/tags"
    ],
    "authenticity_concerns": [
        "The bag lacks any visible Coach identifier and has a generic modern satchel construction; it should be treated as a non-Coach lookalike unless an interior label or creed is found",
        "The heavily quilted\/distressed exterior and decorative hardware are inconsistent with the documented classic vintage Coach construction"
    ],
    "possible_model_reasoning": [
        "No cataloged vintage Coach model is a convincing match because the bag is a top-zip quilted satchel without a visible Coach identifier or classic Coach closure.",
        "Seller's 'vintage' and 'genuine leather' wording is unverified listing data and cannot establish Coach manufacture or age.",
        "Condition: Good\/Fair; extensive creasing, wrinkling and apparent wear are visible in photos 1\u20133; interior, bottom and strap function remain unassessed.",
        "No Coach model fits: zip-top satchel with diagonal quilting and stirrup hardware matches no catalog style in 9790, 9870, 5130, 9927, 9085 or others; silhouette alone never proves Coach",
        "No hard identifiers visible in any photo to decode era or origin",
        "Condition: Very Good exterior; leather supple with light patina and no obvious corner blowouts in photos 1-3, handles intact, but interior not shown so lining unknown and grade capped"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: brass-tone round rivets, rectangular strap loops, D-rings and a top zipper are visible; no Coach engraving is visible",
        "leather_description": "photo 1: mint-green leather-looking material with extensive wrinkling, surface creasing and diagonal quilted stitching; exact leather type cannot be confirmed",
        "lining_description": "not_visible - interior never shown",
        "strap_construction": "photo 1: two padded fixed top handles attached with stitched tabs and brass-tone rivets; no detachable shoulder strap is visible",
        "stitching_description": "photo 1: visible machine stitching is generally regular, with diagonal quilted lines and perimeter seams; several areas show wrinkling and uneven tension"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0024,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.07,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.05,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather-looking handbag with brass-tone hardware and a top-zip satchel construction, a general feature sometimes seen on Coach bags",
                    "photo 3: zipper teeth and hardware appear metallic rather than plastic"
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, carriage, creed patch, hangtag, or other Coach identifier",
                    "photo 1: diagonal quilted stitching and decorative strap loops do not match the documented classic Coach silhouettes shown in the reference catalog",
                    "photo 3: hardware is ring-and-tab decoration rather than a recognizable Coach turnlock or classic dogleash attachment",
                    "photo 1: leather appears thin, highly wrinkled and heavily distressed, unlike the thicker, structured glove-tanned leather typical of many vintage Coach classics",
                    "photo 1: prominent top zipper and large satchel shape are more consistent with a generic fashion handbag than the likely vintage Coach models"
                ],
                "missing_information": [
                    "photo 2: interior is not shown; request a fully opened interior and all pockets",
                    "photo 2: no interior creed patch or fabric label is visible; request a straight-on close-up of every interior wall and pocket",
                    "photo 1: back, bottom, corners and side construction are not fully shown",
                    "photo 1: zipper pull and all hardware should be photographed closely for stamps or markings",
                    "photo 1: no hangtag or detachable strap is shown"
                ],
                "authenticity_concerns": [
                    "The bag lacks any visible Coach identifier and has a generic modern satchel construction; it should be treated as a non-Coach lookalike unless an interior label or creed is found",
                    "The heavily quilted\/distressed exterior and decorative hardware are inconsistent with the documented classic vintage Coach construction"
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": false,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: brass-tone round rivets, rectangular strap loops, D-rings and a top zipper are visible; no Coach engraving is visible",
                    "leather_description": "photo 1: mint-green leather-looking material with extensive wrinkling, surface creasing and diagonal quilted stitching; exact leather type cannot be confirmed",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: two padded fixed top handles attached with stitched tabs and brass-tone rivets; no detachable shoulder strap is visible",
                    "stitching_description": "photo 1: visible machine stitching is generally regular, with diagonal quilted lines and perimeter seams; several areas show wrinkling and uneven tension"
                },
                "possible_model_reasoning": [
                    "No cataloged vintage Coach model is a convincing match because the bag is a top-zip quilted satchel without a visible Coach identifier or classic Coach closure.",
                    "Seller's 'vintage' and 'genuine leather' wording is unverified listing data and cannot establish Coach manufacture or age.",
                    "Condition: Good\/Fair; extensive creasing, wrinkling and apparent wear are visible in photos 1\u20133; interior, bottom and strap function remain unassessed."
                ],
                "confidence": 0.79,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.05,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior emptied and lining - interior never shown, creed cannot be checked",
                    "creed patch close-up in raking light and Made-in line",
                    "bottom and corners close-up",
                    "zipper pull brand stamp and back side of hardware",
                    "seller-stated dimensions and any interior labels\/tags"
                ],
                "negative_evidence": [
                    "photo 1-3: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
                    "photo 1-4: no turnlock - closure is zip-top, not Coach classic turnlock flap",
                    "photo 1-4: all-over diagonal quilted topstitching - not a vintage Coach classic construction cue",
                    "photo 1,4: stirrup \/ horse-bit style D-ring handle attachments - not Coach turnlock\/buckle\/dogleash geometry",
                    "photo 1-3: rolled top-handle satchel silhouette does not match catalog City Bag, Court, Station, Willis, Duffle Sac or other classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone hardware: stirrup D-rings with leather-wrapped bars at handle bases, dome rivets, top zipper with brass teeth; tone consistent but geometry is equestrian-stirrup, not Coach turnlock\/buckle",
                    "leather_description": "mint \/ pale green smooth leather with soft sheen and diagonal quilted topstitching on body, rolled handles; looks like genuine leather but not classic matte glove-tanned with suede back",
                    "lining_description": "not_visible - interior never shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "diagonal parallel topstitching across front\/back panels, tone-matched thread, even; perimeter and handle stitching visible in photo 4,6",
                    "strap_construction": "dual rolled top handles, riveted to top edge and looped through brass stirrup rings anchored to pointed leather tabs; no detachable shoulder strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-3: leather handbag with brass-tone hardware in vintage colorway - population where misidentified Coach can hide",
                    "photo 4: solid-looking brass-tone hardware with patina, not hollow chrome or plastic"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top satchel with diagonal quilting and stirrup hardware matches no catalog style in 9790, 9870, 5130, 9927, 9085 or others; silhouette alone never proves Coach",
                    "No hard identifiers visible in any photo to decode era or origin",
                    "Condition: Very Good exterior; leather supple with light patina and no obvious corner blowouts in photos 1-3, handles intact, but interior not shown so lining unknown and grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 32017,
            "output_tokens": 804,
            "total_tokens": 32821,
            "estimated_cost_usd": 0.014736
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 34230,
            "output_tokens": 1461,
            "total_tokens": 35691,
            "estimated_cost_usd": 0.008015
        }
    ]
}